Edouard Vanbelle
fac184ccfe
- reduce amount of warnings in IDE
- maximize API type mapping with static/js/core/types.js
314 lines
11 KiB
JavaScript
314 lines
11 KiB
JavaScript
/**
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* OxiCloud - Photos Lightbox
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* Full-screen image/video viewer with prev/next navigation.
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*/
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import { getCsrfHeaders } from '../../core/csrf.js';
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import { favorites } from '../library/favorites.js';
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/** @import {FileItem, FileMetadata} from '../../core/types.js' */
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/** @typedef {typeof import('./photos.js').photosView} PhotosView */
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export const photosLightbox = {
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/** @type {Array<FileItem>} Items array reference */
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items: [],
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/** @type {number} Current index */
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index: -1,
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/** @type {HTMLElement|null} */
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_overlay: null,
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/** @type {string|null} Current blob URL to revoke */
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_blobUrl: null,
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/** @type {(ev: KeyboardEvent) => any|null} */
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_keyHandler: null,
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/** @type {PhotosView|null} Reference to photosView, set after both modules load */
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_photosView: null,
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/**
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* Register the photosView reference (called from photos.js to avoid circular imports).
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* @param {any} pv
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*/
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setPhotosView(pv) {
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this._photosView = pv;
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},
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/** Auth headers */
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_headers() {
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return getCsrfHeaders();
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},
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/**
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* Open lightbox at given index
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* @param {FileItem[]} items
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* @param {number} index
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*/
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open(items, index) {
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this.items = items;
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this.index = index;
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this._createOverlay();
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this._show();
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this._bindKeys();
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},
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/** Close lightbox */
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close() {
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if (this._overlay) {
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this._overlay.classList.remove('active');
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setTimeout(() => {
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if (this._overlay) {
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this._overlay.remove();
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this._overlay = null;
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}
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}, 200);
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}
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this._revokeBlob();
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this._unbindKeys();
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},
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/** Navigate to previous */
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prev() {
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if (this.index > 0) {
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this.index--;
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this._show();
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}
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},
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/** Navigate to next */
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next() {
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if (this.index < this.items.length - 1) {
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this.index++;
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this._show();
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}
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},
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/** Create the overlay DOM structure */
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_createOverlay() {
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if (this._overlay) this._overlay.remove();
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const el = document.createElement('div');
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el.className = 'photos-lightbox';
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el.innerHTML = `
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<div class="lightbox-info">
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<div class="lightbox-filename"></div>
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<div class="lightbox-meta"></div>
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</div>
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<button class="lightbox-close"><i class="fas fa-times"></i></button>
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<button class="lightbox-nav lightbox-prev"><i class="fas fa-chevron-left"></i></button>
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<div class="lightbox-content"></div>
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<button class="lightbox-nav lightbox-next"><i class="fas fa-chevron-right"></i></button>
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<div class="lightbox-toolbar">
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<button class="lb-download" title="Download"><i class="fas fa-download"></i></button>
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<button class="lb-favorite" title="Favorite"><i class="far fa-star"></i></button>
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<button class="lb-delete" title="Delete"><i class="fas fa-trash"></i></button>
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</div>
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<div class="lightbox-counter"></div>
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`;
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document.body.appendChild(el);
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this._overlay = el;
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// Event listeners
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/** @type {HTMLButtonElement} */ (el.querySelector('.lightbox-close')).onclick = () => this.close();
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/** @type {HTMLButtonElement} */ (el.querySelector('.lightbox-prev')).onclick = () => this.prev();
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/** @type {HTMLButtonElement} */ (el.querySelector('.lightbox-next')).onclick = () => this.next();
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// Click backdrop to close
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el.addEventListener('click', (e) => {
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if (e.target === el || /** @type {HTMLElement} */ (e.target).classList.contains('lightbox-content')) {
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this.close();
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}
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});
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// Toolbar actions
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/** @type {HTMLButtonElement} */ (el.querySelector('.lb-download')).onclick = () => this._download();
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/** @type {HTMLButtonElement} */ (el.querySelector('.lb-favorite')).onclick = () => this._toggleFavorite();
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/** @type {HTMLButtonElement} */ (el.querySelector('.lb-delete')).onclick = () => this._delete();
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// Animate in
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requestAnimationFrame(() => el.classList.add('active'));
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},
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/** Display the current item */
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async _show() {
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if (!this._overlay || this.index < 0) return;
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const item = this.items[this.index];
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const content = this._overlay.querySelector('.lightbox-content');
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const filename = this._overlay.querySelector('.lightbox-filename');
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const meta = this._overlay.querySelector('.lightbox-meta');
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const counter = this._overlay.querySelector('.lightbox-counter');
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filename.textContent = item.name;
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counter.textContent = `${this.index + 1} / ${this.items.length}`;
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// Format date
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const ts = (item.sort_date || item.created_at) * 1000;
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const dateStr = new Date(ts).toLocaleDateString(undefined, {
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year: 'numeric',
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month: 'short',
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day: 'numeric',
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hour: '2-digit',
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minute: '2-digit'
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});
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meta.textContent = `${dateStr} · ${item.size_formatted || ''}`;
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// Update nav button visibility
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/** @type {HTMLButtonElement} */ (this._overlay.querySelector('.lightbox-prev')).classList.toggle('hidden', !(this.index > 0));
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/** @type {HTMLButtonElement} */ (this._overlay.querySelector('.lightbox-next')).classList.toggle('hidden', !(this.index < this.items.length - 1));
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// Load content
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this._revokeBlob();
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content.innerHTML = '<div class="photos-loading"><i class="fas fa-spinner"></i></div>';
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try {
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const isVideo = item.mime_type?.startsWith('video/');
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const res = await fetch(`/api/files/${item.id}`, {
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credentials: 'include',
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headers: this._headers()
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});
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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const blob = await res.blob();
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this._blobUrl = URL.createObjectURL(blob);
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if (isVideo) {
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content.innerHTML = `<video src="${this._blobUrl}" controls autoplay></video>`;
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} else {
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content.innerHTML = `<img src="${this._blobUrl}" alt="${this._escAttr(item.name)}">`;
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}
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} catch (err) {
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console.error('Lightbox load error:', err);
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content.innerHTML = '<div class="photos-loading">Failed to load</div>';
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}
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// Load EXIF metadata
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this._loadMetadata(item.id, meta, dateStr, item.size_formatted || '');
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},
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/**
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* Load EXIF metadata for info bar
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* @param {string} fileId
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* @param {Element} metaEl
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* @param {string} dateStr
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* @param {string} sizeStr
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*/
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async _loadMetadata(fileId, metaEl, dateStr, sizeStr) {
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try {
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const res = await fetch(`/api/files/${fileId}/metadata`, {
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credentials: 'include',
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headers: this._headers()
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});
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if (res.ok) {
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const metadata = /** @type {FileMetadata} */ (await res.json());
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const parts = [dateStr];
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if (sizeStr) parts.push(sizeStr);
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if (metadata.camera_make || metadata.camera_model) {
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parts.push([metadata.camera_make, metadata.camera_model].filter(Boolean).join(' '));
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}
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if (metadata.width && metadata.height) {
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parts.push(`${metadata.width}×${metadata.height}`);
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}
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metaEl.textContent = parts.join(' · ');
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//TODO: add geoloc pointer to openstreetmap ?
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}
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} catch (_err) {
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// Non-critical, keep existing meta
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}
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},
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/** Download current item */
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_download() {
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const item = this.items[this.index];
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if (!item) return;
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const a = document.createElement('a');
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a.href = `/api/files/${item.id}`;
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a.download = item.name;
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document.body.appendChild(a);
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a.click();
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a.remove();
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},
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/** Toggle favorite on current item */
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async _toggleFavorite() {
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const item = this.items[this.index];
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if (!item || !favorites) return;
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try {
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await fetch(`/api/favorites/file/${item.id}`, {
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method: 'POST',
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credentials: 'include',
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headers: this._headers()
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});
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const btn = this._overlay.querySelector('.lb-favorite');
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if (btn) {
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btn.classList.toggle('active');
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const icon = btn.querySelector('i');
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if (icon) {
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icon.className = btn.classList.contains('active') ? 'fas fa-star' : 'far fa-star';
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}
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}
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} catch (err) {
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console.error('Favorite toggle failed:', err);
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}
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},
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/** Delete current item */
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async _delete() {
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const item = this.items[this.index];
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if (!item) return;
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if (!confirm(`Delete ${item.name}?`)) return;
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try {
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await fetch(`/api/files/${item.id}`, {
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method: 'DELETE',
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credentials: 'include',
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headers: this._headers()
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});
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// Remove from photosView items too
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if (this._photosView) {
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this._photosView.items = this._photosView.items.filter((f) => f.id !== item.id);
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}
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this.items.splice(this.index, 1);
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if (this.items.length === 0) {
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this.close();
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if (this._photosView) this._photosView._renderFull(); // will call renderEmpty() on this case
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} else {
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if (this.index >= this.items.length) this.index = this.items.length - 1;
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this._show();
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if (this._photosView) this._photosView._renderFull();
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}
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} catch (err) {
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console.error('Delete failed:', err);
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}
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},
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/** Keyboard navigation */
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_bindKeys() {
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this._keyHandler = (e) => {
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if (e.key === 'Escape') this.close();
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else if (e.key === 'ArrowLeft') this.prev();
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else if (e.key === 'ArrowRight') this.next();
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};
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document.addEventListener('keydown', this._keyHandler);
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},
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_unbindKeys() {
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if (this._keyHandler) {
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document.removeEventListener('keydown', this._keyHandler);
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this._keyHandler = null;
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}
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},
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_revokeBlob() {
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if (this._blobUrl) {
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URL.revokeObjectURL(this._blobUrl);
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this._blobUrl = null;
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}
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},
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/** @param {any} s */
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_escAttr(s) {
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return String(s || '')
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.replace(/"/g, '"')
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.replace(/</g, '<');
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}
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};
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